(7 of 10) Celebs Hit the Hot SpotsPop the bubbly and reserve a table fit for an entourage: These famous girls and boys love to party. And whether they’re hitting the Hollywood hot spots, the New York bars, or the Vegas lounges, these club-hopping celebrities are always VIP. Minka Kelly and John Mayer Mayer holds on to the arm of his latest main squeeze as they enter the exclusive doors of Butter in New York City on Dec. 3, 2007.